Preparation method of reishi shell-broken spore powder at temperature difference ultrahigh pressure by wet process

A technology of broken Ganoderma lucidum spore powder and Ganoderma lucidum spore powder, which is applied in the field of preparation of broken Ganoderma lucidum spore powder, which can solve the problems of low wall breaking rate, food pollution, difficult release of polysaccharides, etc. The effect of increasing moisture content

Active Publication Date: 2014-12-24
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the above-mentioned defects of the prior art, the technical problems to be solved by the present invention are the problems of food contamination during processing, low wall breaking rate, and difficult release of polysaccharides.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] (1) Put the freshly harvested spore powder into a container, pour it into pure hot water at 50°C for 13 minutes, and the amount of hot water is 4 times the amount of seeds. Stir constantly during treatment to make it evenly heated. Then the seeds were soaked for another 2h at room temperature 20°C to obtain wet spore powder, and its water content was determined to be 60%.

[0026] (2) Put the wet spore powder into a centrifuge at a speed of 7,000 rpm and a relative centrifugal force of 60,000×g. After centrifugation for 8 minutes, take it out and dry it for 20 minutes to obtain a wet spore powder with scattered physical properties.

[0027] (3) Put the wet spore powder with scattered physical properties in an ultra-low temperature refrigerator at -70°C and take it out after 30 minutes to obtain frozen spore powder at a low temperature of -60°C.

[0028] (4) Put the frozen spore powder into liquid nitrogen at -180°C to make the temperature drop sharply, and then take out the ul...

Embodiment 2

[0033] (1) Put the freshly harvested spore powder into a container, pour it into pure hot water at 52.5°C for 14 min. The amount of hot water is 4.5 times the amount of seeds. Stir constantly during treatment to make it evenly heated. Then, the seeds were soaked for another 2.5 hours at a normal temperature of 22.5°C to obtain a wet spore powder, and its water content was determined to be 65%.

[0034] (2) Put the wet spore powder into a centrifuge at a speed of 7,500 rpm and a relative centrifugal force of 65,000×g. After centrifugation for 9 minutes, take it out and dry it for 25 minutes to obtain a wet spore powder with scattered physical properties.

[0035] (3) Put the wet spore powder with scattered physical properties into an ultra-low temperature refrigerator at -70°C, take it out after 35 minutes, and obtain frozen spore powder at a low temperature of -65°C.

[0036] (4) Put the frozen spore powder into liquid nitrogen at -190℃ to make the temperature drop sharply, and then ...

Embodiment 3

[0041] (1) Put the freshly harvested spore powder into a container, pour it into pure hot water at 55°C for 15 minutes, the amount of hot water is 5 times the amount of seeds, and keep stirring during treatment to make it evenly heated. Then, the seeds were soaked at room temperature 25°C for another 3 hours to obtain wet spore powder, and its water content was determined to be 70%.

[0042] (2) Put the wet spore powder into a centrifuge at a speed of 8,000 rpm and a relative centrifugal force of 70,000 × g. After centrifugation for 10 minutes, take it out and dry it for 30 minutes to obtain a wet spore powder with scattered physical properties.

[0043] (3) Put the wet spore powder with scattered physical properties into an ultra-low temperature refrigerator at -70°C and take it out after 40 minutes to obtain a frozen spore powder at a low temperature of -70°C.

[0044] (4) Put the frozen spore powder into liquid nitrogen at -200°C, make the temperature drop sharply, and leave it fo...

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Abstract

The invention discloses a preparation method of reishi shell-broken spore powder at temperature difference ultrahigh pressure by a wet process. The preparation method comprises the following steps: soaking fresh reishi spore powder so as to absorb water, putting into a centrifugal machine, centrifuging, airing, then putting into an ultralow-temperature refrigerator and liquid nitrogen sequentially, refrigerating so as to obtain the ultralow-temperature wet spore powder with cracked pore shells, then carrying out microwave unfreezing treatment so as to obtain dried shell-broken spore powder, and finally acquiring sterile spore powder with high shell breaking rate under ultrahigh pressure. The method provided by the invention can be used for solving the technical difficulties of low shell breaking rate, food pollution and difficulty in releasing polysaccharide in the processing course; the reishi shell-broken spore powder prepared by the invention has the characteristics of high spore powder shell breaking rate, no pollution source and easiness in absorption of functional inclusions.

Description

Technical field [0001] The invention belongs to the technical field of food engineering, and relates to a method for preparing Ganoderma lucidum spore powder, and in particular to a method for preparing wall-broken Ganoderma lucidum spore powder with a wet temperature difference and ultra-high pressure. Background technique [0002] As a Chinese traditional precious medicinal material with thousands of years of medicinal history, Ganoderma lucidum has high medicinal value. Ganoderma lucidum has a significant effect on enhancing human immunity. Ganoderma lucidum spores are the seeds released at the later stage of the development of Ganoderma lucidum and are biologically called basidiospores. The chemical components of Ganoderma lucidum spores, such as carotene, sterols, triterpenes, alkaloids, etc., have many functions on the human body. The two walls wrapped by the spores of Ganoderma lucidum are very tough and difficult to break. If the walls are not broken, the chemical and bi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L1/28A61K36/074A23L31/00
CPCA23L31/00A23L33/00
Inventor 卢欣欣闫军辉钟云鹏张玉梅王彪武天龙
Owner SHANGHAI JIAO TONG UNIV
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